22121120200043 has 2 divisors, whose sum is σ = 22121120200044. Its totient is φ = 22121120200042.

The previous prime is 22121120200031. The next prime is 22121120200103. The reversal of 22121120200043 is 34000202112122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121120200043 - 2²⁴ = 22121103422827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22121120199988 and 22121120200024.

It is not a weakly prime, because it can be changed into another prime (22121120250043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060560100021 + 11060560100022.

It is an arithmetic number, because the mean of its divisors is an integer number (11060560100022).

Almost surely, 2^{22121120200043} is an apocalyptic number.

22121120200043 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121120200043 is an equidigital number, since it uses as much as digits as its factorization.

22121120200043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22121120200043 its reverse (34000202112122), we get a palindrome (56121322312165).

The spelling of 22121120200043 in words is "twenty-two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred thousand, forty-three".